Home / 20,702,808,005.80-31,054,212,008.70-17,029,487,813.80

Finding the Fourth Proportional to 20,702,808,005.80, 31,054,212,008.70 and 17,029,487,813.80

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Solution

The fourth proportional to 20,702,808,005.80, 31,054,212,008.70 and 17,029,487,813.80 is: 25,544,231,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,808,005.80 : 31,054,212,008.70 = 17,029,487,813.80 : x
  2. Step 2: Convert to fraction form
    20,702,808,005.80/31,054,212,008.70 = 17,029,487,813.80/x
  3. Step 3: Cross multiply
    20,702,808,005.80x = 31,054,212,008.70 × 17,029,487,813.80
  4. Step 4: Simplify right side
    20,702,808,005.80x = 528,837,324,969,318,285,312
  5. Step 5: Solve for x
    x = 528,837,324,969,318,285,312/20,702,808,005.80
  6. Step 6: Final answer
    x = 25,544,231,720.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.